Jun Nishiyama

Jun Nishiyama (Japanese: 西山潤, born July 12, 1998) is a Japanese actor known for his work in both television dramas and feature films. Born in Kanagawa Prefecture, Japan, he stands 176 cm tall and has blood type A.

Career and Filmography

Nishiyama began his acting career as a child actor, gaining early recognition for his role as the childhood version of Kenji Endo in the high-profile cinematic trilogy 20th Century Boys (2008–2009). Over the years, he has built a diverse portfolio across Japanese cinema and television.

Notable Film Appearances

Forbidden Siren (2006)
20th Century Boys 1: Beginning of the End (2008) – as childhood Kenji Endo
20th Century Boys 2: The Last Hope (2009) – as childhood Kenji Endo
20th Century Boys 3: Redemption (2009) – as childhood Kenji Endo
Samulife (2015)
Mother's Trees (2015) – as Rokuro Tamura
The Anthem of the Heart (2017) – as Itsuki Mishima
Kaze no Kanade no Kimi e (2024) – as Miki

Notable Television Drama Series

Nishiyama has appeared in numerous television network productions, ranging from guest appearances to recurring supporting roles:

Sushi Oji! (TV Asahi / 2007)
DOCTORS: The Ultimate Surgeon (TV Asahi / 2011) – as Shun Natsuki (ep.4)
Renai Neet ~Wasureta Koi no Hajimekata (TBS / 2012) – as Itsuki Kinoshita
Undercover Agent Lizard (TBS / 2013) – as Hisahito Shijo (ep.2)
The Fortune Telling Shop, Onmyoya (Fuji TV / 2013) – as Fumihiro Kosaka
Destiny-Like Love (NHK / 2016) – as Tsugumi Sakurai
Idaten (NHK / 2019) – as Yasuji Miyazaki
Dragon Sakura Season 2 (TBS / 2021) – as Kohashi
Love with a Case (NTV / 2022) – as Leo Deguchi
Get Ready (TBS / 2023) – as Eiji Onda (ep.3)
Vivant (TBS / 2023, 2026) – as Kazuteru Kumagai
Smiling Matryoshka (TBS / 2024) – as high school Toshiya Suzuki
Octo: Mind Investigator Akari Shinno Season 2 (NTV-YTV / 2024) – as Yugo Shitara (ep.7)
Ashita wa Motto, Ii Hi ni Naru (Fuji TV / 2025) – as Aiki Kaji
119: Emergency Call (Fuji TV / 2025) – as Sho Enoue (ep.3)
Ensemble (NTV / 2025) – as Tatsuya Satake